In a general hospital near bankruptcy, the reduced staff is working under a severe stress. During the emergency attendance to a burned patient with Dr. Uozumi (Masanobu Takashima) and two other nurses, Dr. Akiba (Kôichi Satô) and the nurse commit an error, injecting potassium chloride and killing him. Dr. Uozumi convinces the team to forge the report to save their careers. Meanwhile, an ambulance leaves a patient in the emergency with a lethal infection. When the muscles and internal organs of the patient liquefy, Dr. Kiyoshi Akai (Shirô Sano) convinces his two colleagues to examine and research the virus, leading the employees of the night shift to a tragic end. 有史以来《感染》的最清晰脉络，欢迎指正。七月感染。。拥有精神学硕士学位的怨灵是最给力的！。精神的腐烂比肉体的感染更可怕。制造幻觉的是烧伤病人（赤井），这样你可以看懂90%。绝了，正幸这片子导演功力极强。凶手是鬼。不是简单粗暴的惊悚。竟然没有觉得害怕。本我与自我的救赎。。 某破旧医院，在改造过程中由于经费紧张而濒临倒闭，院长随后也下落不明。这里的医疗环境极其恶劣，为了节约经费竟然将用过的针头重复使用。病患得不到良好的照顾，医护人员和病人都处于焦躁不安的状态。在这种慌乱的情况下，医疗事故不可避免地发生了。一次抢救过程中，小护士安积圆（星野真里 饰）忙中出错将氯化钾当成氯化钙注入病人体内，最终致使病人死亡。经过一番激烈争论，参加抢救的鱼住大夫（高嶋政伸 饰）、秋叶大夫（佐藤浩市 饰）和护士们达成共识，决定将这起医疗事故隐瞒下来。 一切看似从未发生，一切仿佛无人知晓。但这只是一系列恐怖事件的开始。此后不久，一种神秘致命病毒开始在濒临崩溃的医院内传播……
